Chemistry and Matter Rich McConnell‚ CH-201 Grantham University Chemistry and Matter 1. A scientist who is trying to make an insecticide that is more toxic to mosquitoes than to humans would be involved in ________. 1. Basic research 2. Applied research 3. Technology 4. Serendipity 2. How is chemistry defined? Science can be looked at like at tree‚ within this tree there are different branches one of which is Chemistry which studies composition and properties of matter and the changes they go through
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Chapter 6 Tax matters 1、 Why have tax? The Collins Concise English Dictionary (1992. P 1383) defines the word “tax” as: “a compulsory financial contribution imposed by a government to raise revenue‚ levied on income or property‚ on the prices of goods and services‚ etc. and to levy a tax on (persons‚ companies‚ etc.)” (Clinton Alley‚ 2008). there are several reasons can explain the existence of tax: The main function of taxation is the fiscal one. It is through fiscality that taxes play their
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Emin Öztürk Algorithms and Programming 101 CS 101-2 07.11.2012 HW1: Contemporary Issues in Computing The EU wants individuals to have the right to "delete" their information from Social Networking sites‚ such as Facebook? Does this make sense? Is it even possible? The right of being forgotten In contemporary times especially over last five years ‚ with the development of computer technology as well as the spread of using the Internet
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Race Matters In America‚ society likes to believe that America is a Color Blind Society. They say they don’t see race‚ but just Americans. It has been noted that whites who are exposed to images or shows of upper-middle-class blacks‚ like the Huxtable family in The Cosby Show‚ the Kyle family in My Wife and Kids or the Banks family in The Fresh Prince of Bel Air‚ believe that blacks have the same socioeconomic opportunities as whites (Gallagher 94). Media is one of the main reasons why people in
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Many people assume that they have a right to personal privacy no matter what the circumstance. This is a reasonable assumption; no one wants details of their conversations‚ movements‚ and actions publicized after a traumatic event. Often times people want the opportunity to grieve‚ recover‚ or processes what has happened to them without having to worry about what they have done or said being put on display for the country to see. On the other side of that‚ humans are inherently curious creatures
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No Privacy on Social Media Every time a photo is taken or posted on social media‚ the government will have access to it. There are over 66% of American adults that use a social media account on a daily basis. This includes over 900 million posts a day on Facebook and over 340 million tweets per day on Twitter (Browning). Everyone wants to share what they are doing with their friends. American adults want their friends to see what they are doing and where they are at. Through the whole world‚ people
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Has Orwell’s dehumanizing vision of a brainwashing‚ privacy infringing government monitored by tele-screens and thought police‚ evolve into today’s society? Perhaps not using the same equipment that George Orwell predicted but studies have precisely shown how the enhancement of technology is used to diminish the privacy of everyone. In 1948 George Orwell created the masterpiece “1984”‚ confidently predicting how the world would be in the next thirty-six years. Orwell’s first prediction was an image
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CHAPTER 5 STATES OF MATTER INTERMOLECULAR FORCES Intermolecular forces are the forces of attraction and repulsion between interacting particles (atoms and molecules). Attractive intermolecular forces are known as van der Waals forces. van der Waals forces include dispersion forces or London forces‚ dipole-dipole forces‚ and dipole-induced dipole forces. A particularly strong type of dipole-dipole interaction is hydrogen bonding. Dispersion Forces or London Forces Observed between non-polar molecules
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Chapter 15: • Matter is anything that has mass and takes up space. – Ex: Your textbook‚ you‚ your pen/pencil‚ air‚ etc. • Classification systems are used all the time to organize objects. – Ex: The Periodic Table of Elements‚ organizing your locker‚ your clothes‚ etc. • In order to make the study of matter easier to understand‚ scientists have developed ways to classify matter. • The properties of materials can be used to classify them into general categories. – Ex: Pure substances‚ elements
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Unit 1 Notes Chapter 3 Matter Observation v. Inference • Observation: • Quantitative or qualitative • ___________________________________________________ • Inferences: • Something that you know from ____________________________ • Ex. “made of wood”‚ “wax” Physical v. Chemical Properties • Physical Properties: • Can be observed without changing the chemical makeup of a substance • Examples: • Chemical Properties: • Describes a chemical change & the kinds of chemical reactions that
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